A Venn diagram could be used, for example, to compare two companies in the same industry by illustrating the products both companies offer (where circles overlap) and the products that are ...

Similarly, one can work out the Venn Diagram notation for Union of Sets ... understand the application is to go through some solved examples as shown below. Let, the number of people who had ...

In set notation this is B = {1, 4, 9}. 30 people answered a survey about whether they have a dog or a cat. The Venn diagram shows the information from the survey. 13 people have got a dog.

For example, during the pandemic, Venn diagrams helped to illustrate symptoms of COVID-19 that are distinct from seasonal allergies. They are also often taught to school children and are typically ...